Printer unit for duplex printing



FIG. 1 is a rear view of a printer unit for duplex printing showing ournew design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear perspective view thereof.

The broken lines depict environmental subject matter only and form nopart of the claimed design.

The ornamental design for a printer unit for duplex printing, as shownand described.